# AI SDR agents for enterprise buyers: what AI models recommend, September 2026

Gane Index, September 2026 Edition. Asked as "AI SDR agent" and as "AI sales development tool that prospects and books meetings", six framings each, to twelve models with search on, on behalf of an enterprise B2B company. Page: https://www.gane.ai/index/gtm/sales/ai-sdr-agents/2026-09/enterprise

This is the permanent record of the September 2026 Edition, published September 15, 2026 and superseded since. The current standing: https://www.gane.ai/index/gtm/sales/ai-sdr-agents/enterprise/index.md

**Standing:** Salesforce Agentforce SDR (tied with Outreach, 11x) leads with 15% of first choices; verdict contested. 46 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [Salesforce Agentforce SDR](https://www.gane.ai/index/gtm/vendors/salesforce-agentforce-sdr/index.md) | 15% | 4% | 26 |
| 2 | [Outreach](https://www.gane.ai/index/gtm/vendors/outreach/index.md) | 15% | 6% | 18 |
| 3 | [11x](https://www.gane.ai/index/gtm/vendors/11x/index.md) | 15% | 35% | 49 |
| 4 | [AiSDR](https://www.gane.ai/index/gtm/vendors/aisdr/index.md) | 13% | 14% | 22 |
| 5 | [Salesloft Rhythm](https://www.gane.ai/index/gtm/vendors/salesloft-rhythm/index.md) | 9% | 19% | 16 |
| 6 | [Artisan Ava](https://www.gane.ai/index/gtm/vendors/artisan-ava/index.md) | 9% | 37% | 38 |
| 7 | [Amplemarket Duo](https://www.gane.ai/index/gtm/vendors/amplemarket-duo/index.md) | 4% | 12% | 25 |
| 9 | [Qualified Piper](https://www.gane.ai/index/gtm/vendors/qualified-piper/index.md) | 2% | 0% | 13 |
| 10 | [Clay](https://www.gane.ai/index/gtm/vendors/clay/index.md) | 2% | 17% | 12 |
| 15 | [Apollo.io](https://www.gane.ai/index/gtm/vendors/apollo-io/index.md) | 2% | 43% | 14 |
| 16 | [Regie.ai](https://www.gane.ai/index/gtm/vendors/regie-ai/index.md) | 0% | 29% | 24 |

Rank is by share of first choices among all 47 products named; products with the same share are tied, and the order among them carries no meaning. The table lists those with at least 10 labels.

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: 11x; alternatives Amplemarket Duo, Coldreach
- GPT-5.4 mini: Qualified Piper; alternatives Artisan Ava, Salesforce Agentforce SDR
- Gemini 3.5 Flash: Salesforce Agentforce SDR; alternatives 11x, AiSDR, Amplemarket Duo, Artisan Ava
- Perplexity Sonar: Artisan Ava; alternatives 11x, Amplemarket Duo, Landbase, Qualified Piper
- Grok 4.20: 11x, Outreach; alternatives Salesforce Agentforce SDR, ZoomInfo Copilot
- Mistral Small: HubSpot Prospecting Agent, Salesforce Agentforce SDR; alternatives AiSDR, Qualified Piper
- DeepSeek V4 Flash: Amplemarket Duo, Salesforce Agentforce SDR; alternatives 11x, Clay, Jazon, Regie.ai
- Llama 4 Maverick: no first choice
- Qwen 3.7 Flash: Amplemarket Duo; alternatives 11x, Artisan Ava, Clay, Qualified Piper
- Kimi K2: 11x; alternatives Artisan Ava, Docket
- GLM 4.7 FlashX: Salesforce Agentforce SDR; alternatives 11x, Amplemarket Duo, Qualified Piper
- MiniMax M2.5: Artisan Ava; alternatives 11x, Regie.ai, Salesforce Agentforce SDR

## Sources the answers cite

23 of 72 answers came back with a source list, from 4 of 12 models. Sites named in the most answers:

- amplemarket.com: 11 answers, 11 citations
- 11x.ai: 10 answers, 16 citations
- artisan.co: 10 answers, 14 citations
- monday.com: 7 answers, 10 citations
- getbreakout.ai: 7 answers, 8 citations
- salesforge.ai: 7 answers, 7 citations
- salesmotion.io: 6 answers, 10 citations
- fin.ai: 5 answers, 7 citations

Pages named in the most answers:

- https://amplemarket.com/blog/best-ai-sales-agents (10 answers)
- https://artisan.co/blog/the-best-ai-sdrs (7 answers)
- https://monday.com/blog/crm-and-sales/best-ai-sdr-tools (6 answers)
- https://11x.ai/guides/ai-sdr-agents-b2b-sales-teams (5 answers)
- https://knock-ai.com/blog/ai-sdr-tools (5 answers)
- https://salesforge.ai/blog/ai-sales-agents (5 answers)
- https://fin.ai/learn/best-ai-sdr-tools (4 answers)
- https://getbreakout.ai/blog/10-best-ai-sdr-agents-2026 (4 answers)
- https://lindy.ai/blog/ai-agents-sales (4 answers)
- https://saleshandy.com/blog/ai-sdr-tools (4 answers)

## Warned against

- 11x: 17 of 49 labels negative. "Specific vendors that appear in the results as cautionary examples include 11x.ai, which is described as an autonomous-agent category example tied to reported issues like high churn, fabricated claims" (Perplexity Sonar, negative prompt)
- Artisan Ava: 14 of 38 labels negative. "Companies that deployed tools like Artisan and 11x.ai as full SDR replacements have largely reverted to hybrid models or returned to human-first approaches" (Claude Haiku 4.5, negative prompt)
- Regie.ai: 7 of 24 labels negative. "as a standalone enterprise AI SDR agent, it underdelivers on its positioning" (DeepSeek V4 Flash, negative prompt)
- Apollo.io: 6 of 14 labels negative. "Avoid per-seat tools like Apollo or Salesloft if your priority is cost predictability" (Perplexity Sonar, budget prompt)

## Record

- Method: https://www.gane.ai/index/gtm/methodology
- License: CC BY 4.0. Cite as Gane Index, September 2026 Edition, www.gane.ai/index/gtm.